<!--
 * @Description: 商品详情页面组件
 * @Author: hai-27
 * @Date: 2020-02-16 20:20:26
 * @LastEditors: hai-27
 * @LastEditTime: 2020-03-07 21:59:26
 -->
<template>
    <div id="details">
        <!-- 头部 -->
        <div class="page-header">
            <div class="title">
                <p>{{productDetails.name}}</p>
                <div class="list">
                    <ul>
                        <li>
                            <router-link to>概述</router-link>
                        </li>
                        <li>
                            <router-link to>参数</router-link>
                        </li>
                        <li>
                            <router-link to>用户评价</router-link>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
        <!-- 头部END -->

        <!-- 主要内容 -->
        <div class="main">
            <!-- 左侧商品轮播图 -->
            <div class="block" >
                <el-carousel height="560px" v-if="productPicture.length>1">
                    <el-carousel-item v-for="item in productPicture" :key="item.id">
                        <el-image style="height: 560px;width: 560px"  :src='"http://localhost:8102/upload/"+item.src' />
                    </el-carousel-item>
                </el-carousel>
                <div v-if="productPicture.length===1">
                    <el-image style="height: 560px; width: 560px"
                            :src='"http://localhost:8102/upload/" + productPicture[0].src'

                    />
                </div>
            </div>
            <!-- 左侧商品轮播图END -->

            <!-- 右侧内容区 -->
            <div class="content">
                <h1 class="name">{{productDetails.name}}</h1>
                <p class="intro">{{productDetails.caption}}</p>
                <p class="store">自营</p>
                <div class="price">
                    <span>{{productDetails.price}}元</span>
                    <span
                            v-show="productDetails.product_price != productDetails.product_selling_price"
                            class="del"
                    >{{productDetails.price}}元</span>
                </div>
                <div class="pro-list">
                    <span class="pro-name">{{productDetails.name}}</span>
                    <span class="pro-price">
            <span>{{productDetails.price}}元</span>
            <span
                    v-show="productDetails.product_price != productDetails.product_selling_price"
                    class="pro-del"
            >{{productDetails.price}}元</span>
          </span>
                    <p class="price-sum">总计 : {{productDetails.price}}元</p>
                </div>
                <!-- 内容区底部按钮 -->
                <div class="button">
                    <el-button class="shop-cart" :disabled="dis" @click="addShoppingCart">加入购物车</el-button>
                    <el-button class="like" @click="addCollect">喜欢</el-button>
                </div>
                <!-- 内容区底部按钮END -->
                <div class="pro-policy">
                    <ul>
                        <li>
                            <i class="el-icon-circle-check"></i> 自营
                        </li>
                        <li>
                            <i class="el-icon-circle-check"></i> 急速发货
                        </li>
                        <li>
                            <i class="el-icon-circle-check"></i> 7天无理由退货
                        </li>
                        <li>
                            <i class="el-icon-circle-check"></i> 7天价格保护
                        </li>
                    </ul>
                </div>
            </div>
            <!-- 右侧内容区END -->
        </div>
        <!-- 主要内容END -->
    </div>
</template>
<script>
    import {mapActions} from "vuex";

    export default {
        data() {
            return {
                dis: false, // 控制“加入购物车按钮是否可用”
                productID: "", // 商品id
                productDetails: "", // 商品详细信息
                productPicture: [] // 商品图片
            };
        },
        // 通过路由获取商品id
        activated() {
            if (this.$route.query.productID !== undefined) {
                this.productID = this.$route.query.productID;
            }
        },
        watch: {
            // 监听商品id的变化，请求后端获取商品数据
            productID: function (val) {
                this.getDetails(val);
                this.getDetailsPicture(val);
            }
        },
        methods: {
            ...mapActions(["unshiftShoppingCart", "addShoppingCartNum"]),
            // 获取商品详细信息
            getDetails(val) {
                this.$axios
                    .get("/api/product/getDetails", {
                        params: {
                            productId: val
                        }
                    })
                    .then(res => {
                        this.productDetails = res.data.data;
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    });
            },
            // 获取商品图片
            getDetailsPicture(val) {
                this.$axios
                    .get("/api/pictrue/getDetailsPicture", {
                        params: {
                            productId: val
                        }
                    })
                    .then(res => {
                        this.productPicture = res.data.data;
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    });
            },
            // 加入购物车
            addShoppingCart() {
                // 判断是否登录,没有登录则显示登录组件
                if (!this.$store.getters.getUser) {
                    this.$store.dispatch("setShowLogin", true);
                    return;
                }
                this.$axios
                    .post("/api/shoppingCart/addShoppingCart", this.$Qs.stringify({
                            userId: this.$store.getters.getUser.id,
                            productId: this.productID
                    }))
                    .then(res => {
                        switch (res.data.code) {
                            case 200:
                                // 新加入购物车成功
                                this.unshiftShoppingCart(res.data.data);
                                this.notifySucceed(res.data.msg);
                                break;
                            case 201:
                                // 该商品已经在购物车，数量+1
                                this.addShoppingCartNum(this.productID);
                                this.notifySucceed(res.data.msg);
                                break;
                            case "003":
                                // 商品数量达到限购数量
                                this.dis = true;
                                this.notifyError(res.data.msg);
                                break;
                            default:
                                this.notifyError(res.data.data.msg);
                        }
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    });
            },
            addCollect() {
                // 判断是否登录,没有登录则显示登录组件
                if (!this.$store.getters.getUser) {
                    this.$store.dispatch("setShowLogin", true);
                    return;
                }
                this.$axios
                    .post("/api/collect/add", this.$Qs.stringify({
                        memberId: this.$store.getters.getUser.id,
                        productId: this.productID
                    }))
                    .then(res => {
                        if (res.data.code === 200) {
                            // 添加收藏成功
                            this.notifySucceed(res.data.msg);
                        } else {
                            // 添加收藏失败
                            this.notifyError(res.data.msg);
                        }
                    })
                    .catch(err => {
                        return Promise.reject(err);
                    });
            }
        }
    };
</script>
<style>
    /* 头部CSS */
    #details .page-header {
        height: 64px;
        margin-top: -20px;
        z-index: 4;
        background: #fff;
        border-bottom: 1px solid #e0e0e0;
        -webkit-box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.07);
        box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.07);
    }

    #details .page-header .title {
        width: 1225px;
        height: 64px;
        line-height: 64px;
        font-size: 18px;
        font-weight: 400;
        color: #212121;
        margin: 0 auto;
    }

    #details .page-header .title p {
        float: left;
    }

    #details .page-header .title .list {
        height: 64px;
        float: right;
    }

    #details .page-header .title .list li {
        float: left;
        margin-left: 20px;
    }

    #details .page-header .title .list li a {
        font-size: 14px;
        color: #616161;
    }

    #details .page-header .title .list li a:hover {
        font-size: 14px;
        color: #ff6700;
    }

    /* 头部CSS END */

    /* 主要内容CSS */
    #details .main {
        width: 1225px;
        height: 560px;
        padding-top: 30px;
        margin: 0 auto;
    }

    #details .main .block {
        float: left;
        width: 560px;
        height: 560px;
    }

    #details .el-carousel .el-carousel__indicator .el-carousel__button {
        background-color: rgba(163, 163, 163, 0.8);
    }

    #details .main .content {
        float: left;
        margin-left: 25px;
        width: 640px;
    }

    #details .main .content .name {
        height: 30px;
        line-height: 30px;
        font-size: 24px;
        font-weight: normal;
        color: #212121;
    }

    #details .main .content .intro {
        color: #b0b0b0;
        padding-top: 10px;
    }

    #details .main .content .store {
        color: #ff6700;
        padding-top: 10px;
    }

    #details .main .content .price {
        display: block;
        font-size: 18px;
        color: #ff6700;
        border-bottom: 1px solid #e0e0e0;
        padding: 25px 0 25px;
    }

    #details .main .content .price .del {
        font-size: 14px;
        margin-left: 10px;
        color: #b0b0b0;
        text-decoration: line-through;
    }

    #details .main .content .pro-list {
        background: #f9f9fa;
        padding: 30px 60px;
        margin: 50px 0 50px;
    }

    #details .main .content .pro-list span {
        line-height: 30px;
        color: #616161;
    }

    #details .main .content .pro-list .pro-price {
        float: right;
    }

    #details .main .content .pro-list .pro-price .pro-del {
        margin-left: 10px;
        text-decoration: line-through;
    }

    #details .main .content .pro-list .price-sum {
        color: #ff6700;
        font-size: 24px;
        padding-top: 20px;
    }

    #details .main .content .button {
        height: 55px;
        margin: 10px 0 20px 0;
    }

    #details .main .content .button .el-button {
        float: left;
        height: 55px;
        font-size: 16px;
        color: #fff;
        border: none;
        text-align: center;
    }

    #details .main .content .button .shop-cart {
        width: 340px;
        background-color: #ff6700;
    }

    #details .main .content .button .shop-cart:hover {
        background-color: #f25807;
    }

    #details .main .content .button .like {
        width: 260px;
        margin-left: 40px;
        background-color: #b0b0b0;
    }

    #details .main .content .button .like:hover {
        background-color: #757575;
    }

    #details .main .content .pro-policy li {
        float: left;
        margin-right: 20px;
        color: #b0b0b0;
    }

    /* 主要内容CSS END */
</style>
